[INFO] cloning repository https://github.com/astrojhgu/seekrfi
[INFO] running `Command { std: "git" "-c" "credential.helper=" "-c" "credential.helper=/workspace/cargo-home/bin/git-credential-null" "clone" "--bare" "https://github.com/astrojhgu/seekrfi" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Fseekrfi", kill_on_drop: false }`
[INFO] [stderr] Cloning into bare repository '/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Fseekrfi'...
[INFO] running `Command { std: "git" "rev-parse" "HEAD", kill_on_drop: false }`
[INFO] [stdout] b81da09a38a69ff299798014ac8da9cd68a1e770
[INFO] checking astrojhgu/seekrfi against try#dbe54b90b471ee86a3b006973bf90c6cbb93415f for pr-102091
[INFO] running `Command { std: "git" "clone" "/workspace/cache/git-repos/https%3A%2F%2Fgithub.com%2Fastrojhgu%2Fseekrfi" "/workspace/builds/worker-3/source", kill_on_drop: false }`
[INFO] [stderr] Cloning into '/workspace/builds/worker-3/source'...
[INFO] [stderr] done.
[INFO] validating manifest of git repo https://github.com/astrojhgu/seekrfi on toolchain dbe54b90b471ee86a3b006973bf90c6cbb93415f
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] started tweaking git repo https://github.com/astrojhgu/seekrfi
[INFO] finished tweaking git repo https://github.com/astrojhgu/seekrfi
[INFO] tweaked toml for git repo https://github.com/astrojhgu/seekrfi written to /workspace/builds/worker-3/source/Cargo.toml
[INFO] crate git repo https://github.com/astrojhgu/seekrfi already has a lockfile, it will not be regenerated
[INFO] running `Command { std: "/workspace/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 00c13173a4a7c6da8844ea66aec0ea1d2036ad46bcecc2f425697375ad617781
[INFO] running `Command { std: "docker" "start" "-a" "00c13173a4a7c6da8844ea66aec0ea1d2036ad46bcecc2f425697375ad617781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "00c13173a4a7c6da8844ea66aec0ea1d2036ad46bcecc2f425697375ad617781", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "00c13173a4a7c6da8844ea66aec0ea1d2036ad46bcecc2f425697375ad617781", kill_on_drop: false }`
[INFO] [stdout] 00c13173a4a7c6da8844ea66aec0ea1d2036ad46bcecc2f425697375ad617781
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-3/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:06bd2dc561ac9b9120e7d8112cca06cd3b1bded0ddb8515a4f6a39439d56c944" "/opt/rustwide/cargo-home/bin/cargo" "+dbe54b90b471ee86a3b006973bf90c6cbb93415f" "check" "--frozen" "--all" "--all-targets" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 98aac6caedf62585e1d576ed5d88d32dd978e6decd36d9cd9e2a826cd2987520
[INFO] running `Command { std: "docker" "start" "-a" "98aac6caedf62585e1d576ed5d88d32dd978e6decd36d9cd9e2a826cd2987520", kill_on_drop: false }`
[INFO] [stderr]    Compiling autocfg v0.1.7
[INFO] [stderr]    Compiling proc-macro2 v1.0.6
[INFO] [stderr]    Compiling unicode-xid v0.2.0
[INFO] [stderr]    Compiling syn v1.0.8
[INFO] [stderr]    Compiling libc v0.2.65
[INFO] [stderr]     Checking cfg-if v0.1.10
[INFO] [stderr]    Compiling semver-parser v0.7.0
[INFO] [stderr]    Compiling byteorder v1.3.2
[INFO] [stderr]     Checking rand_core v0.4.2
[INFO] [stderr]     Checking lazy_static v1.4.0
[INFO] [stderr]    Compiling semver v0.9.0
[INFO] [stderr]     Checking either v1.5.3
[INFO] [stderr]    Compiling proc-macro2 v0.4.30
[INFO] [stderr]    Compiling rustc_version v0.2.3
[INFO] [stderr]    Compiling num-traits v0.2.9
[INFO] [stderr]    Compiling num-integer v0.1.41
[INFO] [stderr] error: failed to run custom build command for `libc v0.2.65`
[INFO] [stderr] 
[INFO] [stderr] Caused by:
[INFO] [stderr]   process didn't exit successfully: `/opt/rustwide/target/debug/build/libc-7d4be577d071b569/build-script-build` (exit status: 101)
[INFO] [stderr]   --- stderr
[INFO] [stderr]   thread 'main' panicked at 'Failed to get rustc version', /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.65/build.rs:7:31
[INFO] [stderr]   stack backtrace:
[INFO] [stderr]      0:     0x55fd9d54d8c0 - std::backtrace_rs::backtrace::libunwind::trace::ha0d7edfdaf011033
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      1:     0x55fd9d54d8c0 - std::backtrace_rs::backtrace::trace_unsynchronized::hf63e316d6f6c5d77
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/../../backtrace/src/backtrace/mod.rs:66:5
[INFO] [stderr]      2:     0x55fd9d54d8c0 - std::sys_common::backtrace::_print_fmt::h94353a478745e1cd
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:66:5
[INFO] [stderr]      3:     0x55fd9d54d8c0 - <std::sys_common::backtrace::_print::DisplayBacktrace as core::fmt::Display>::fmt::h239a46784b8d03c7
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:45:22
[INFO] [stderr]      4:     0x55fd9d56ac7e - core::fmt::write::h8c8f2a6cf3f1e080
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/fmt/mod.rs:1202:17
[INFO] [stderr]      5:     0x55fd9d54ab45 - std::io::Write::write_fmt::h33b851e0a2f204a3
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/io/mod.rs:1679:15
[INFO] [stderr]      6:     0x55fd9d54ef43 - std::sys_common::backtrace::_print::heb7b969448122efb
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:48:5
[INFO] [stderr]      7:     0x55fd9d54ef43 - std::sys_common::backtrace::print::hc047394f1b624c64
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:35:9
[INFO] [stderr]      8:     0x55fd9d54ef43 - std::panicking::default_hook::{{closure}}::h2d2c9c2af2f2d43e
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:267:22
[INFO] [stderr]      9:     0x55fd9d54ec2f - std::panicking::default_hook::h4270b5df2149cbb7
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:286:9
[INFO] [stderr]     10:     0x55fd9d54f5e9 - std::panicking::rust_panic_with_hook::h94bae5e7ff66116a
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:669:13
[INFO] [stderr]     11:     0x55fd9d54f4e7 - std::panicking::begin_panic_handler::{{closure}}::ha3102dba9cd4ebb2
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:560:13
[INFO] [stderr]     12:     0x55fd9d54dd6c - std::sys_common::backtrace::__rust_end_short_backtrace::h4a324fc86e070396
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:138:18
[INFO] [stderr]     13:     0x55fd9d54f202 - rust_begin_unwind
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:556:5
[INFO] [stderr]     14:     0x55fd9d528a93 - core::panicking::panic_fmt::h527e4b71fe9767a8
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/panicking.rs:142:14
[INFO] [stderr]     15:     0x55fd9d569f21 - core::panicking::panic_display::hedb5da7c372b5979
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/panicking.rs:72:5
[INFO] [stderr]     16:     0x55fd9d569ecb - core::panicking::panic_str::h479047c28e7329d5
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/panicking.rs:56:5
[INFO] [stderr]     17:     0x55fd9d528906 - core::option::expect_failed::hf2df9e76df883e03
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/option.rs:1880:5
[INFO] [stderr]     18:     0x55fd9d52b99a - core::option::Option<T>::expect::h608a748b88be8d4f
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/option.rs:738:21
[INFO] [stderr]     19:     0x55fd9d52eed4 - build_script_build::main::h2d54b90a2bb97498
[INFO] [stderr]                                  at /opt/rustwide/cargo-home/registry/src/github.com-1ecc6299db9ec823/libc-0.2.65/build.rs:7:9
[INFO] [stderr]     20:     0x55fd9d52bfbb - core::ops::function::FnOnce::call_once::h620c19a160350283
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/ops/function.rs:251:5
[INFO] [stderr]     21:     0x55fd9d5307ae - std::sys_common::backtrace::__rust_begin_short_backtrace::h33cf9847a70d4758
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/sys_common/backtrace.rs:122:18
[INFO] [stderr]     22:     0x55fd9d52b221 - std::rt::lang_start::{{closure}}::h0798ac7cc5d1f87b
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/rt.rs:166:18
[INFO] [stderr]     23:     0x55fd9d54826f - core::ops::function::impls::<impl core::ops::function::FnOnce<A> for &F>::call_once::hf8d90901b1a646a4
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/core/src/ops/function.rs:286:13
[INFO] [stderr]     24:     0x55fd9d54826f - std::panicking::try::do_call::hb3be6ff0691cc80c
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:464:40
[INFO] [stderr]     25:     0x55fd9d54826f - std::panicking::try::h00e46f6023f74f4f
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:428:19
[INFO] [stderr]     26:     0x55fd9d54826f - std::panic::catch_unwind::hae6042122ad6aa5e
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panic.rs:137:14
[INFO] [stderr]     27:     0x55fd9d54826f - std::rt::lang_start_internal::{{closure}}::ha6671f3ce5a45cc6
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/rt.rs:148:48
[INFO] [stderr]     28:     0x55fd9d54826f - std::panicking::try::do_call::he3ad6c8597d0e5b2
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:464:40
[INFO] [stderr]     29:     0x55fd9d54826f - std::panicking::try::h5d36ec23cc5dcb28
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panicking.rs:428:19
[INFO] [stderr]     30:     0x55fd9d54826f - std::panic::catch_unwind::hf8dae42ce9b6e084
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/panic.rs:137:14
[INFO] [stderr]     31:     0x55fd9d54826f - std::rt::lang_start_internal::hda5b374777fad7e2
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/rt.rs:148:20
[INFO] [stderr]     32:     0x55fd9d52b1fa - std::rt::lang_start::h7ea903bba5131ce6
[INFO] [stderr]                                  at /rustc/dbe54b90b471ee86a3b006973bf90c6cbb93415f/library/std/src/rt.rs:165:17
[INFO] [stderr]     33:     0x55fd9d530081 - main
[INFO] [stderr]     34:     0x7f0cca3cb083 - __libc_start_main
[INFO] [stderr]     35:     0x55fd9d528c6e - _start
[INFO] [stderr]     36:                0x0 - <unknown>
[INFO] [stderr] warning: build failed, waiting for other jobs to finish...
[INFO] running `Command { std: "docker" "inspect" "98aac6caedf62585e1d576ed5d88d32dd978e6decd36d9cd9e2a826cd2987520", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "98aac6caedf62585e1d576ed5d88d32dd978e6decd36d9cd9e2a826cd2987520", kill_on_drop: false }`
[INFO] [stdout] 98aac6caedf62585e1d576ed5d88d32dd978e6decd36d9cd9e2a826cd2987520